Changes for page Matrix

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...	...	@@ -4,9 +4,6 @@
4	4	== What is Matrix? ==
5	5
6	6
7		-[[image:https://element.io/images/Ui-grad-homepage.png||height="677" width="942"]]
8		-
9		-
10	10	[[Matrix>>https://matrix.org/]] is a chat system very similar to E-Mail, but instantaneous and secure.
11	11
12	12	* You need to register an account at a provider (e.g. tum.de, or lmu.de)
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19	19	Several apps exist, but we're going to go with "[[Element>>https://element.io/]]" for the sake of simplicity, as it's among the most fully-featured Matrix apps on the market.
20	20	)))
21	21
22		-So people have their **account on one server** but can write messages **to anyone on other servers**.
	19	+So People have their **account on one server** but can write messages **to anyone on other servers**.
23	23
24	24
25		-**Personal or group chats** are[[ end-to-end encrypted>>https://en.wikipedia.org/wiki/End-to-end_encryption]] and **not dependent on a central authority** like most other tools (MS Teams, WhatsApp, Zoom, ...) - anyone can host a Matrix server.
	22	+You can create[[ end-to-end encrypted>>https://en.wikipedia.org/wiki/End-to-end_encryption]] **personal or group chats** that are not stored and **not dependent on a central authority** like most other tools (MS Teams, WhatsApp, Zoom, ...).
26	26	All your messages are **synced** between all your devices - web clients, desktop clients, smartphone apps.
27	27	For additional security, encryption keys of contacts can be verified and then stored as trusted.
28	28
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30	30
31	31	Messages are stored and synced between home servers.
32	32
33		-A user typically has **one account** on one homeserver.
34		-You can use any homeserver of your choice - however **for TUM**, [[ITO>>doc:CIT.ITO.WebHome]] offers two homeservers:
	30	+A user typically has **one account** on one homeserver. You can use any homeserver of your choice - however [[ITO>>doc:CIT.ITO.WebHome]] offers two homeservers:
35	35
36	36	* **matrix.cit.tum.de** for CIT accounts: @username:cit.tum.de
37	37	* **matrix.tum.de** for TUM accounts: @username:tum.de
...	...	@@ -38,11 +38,11 @@
38	38
39	39	You only need to use one account and can communicate with any other homeserver of the world.
40	40
41		-If you don't have a CIT or TUM account, you can use a **public** homeserver instead:
	37	+If you don't have a CIT or TUM account, you can use a public homeserver instead:
42	42
43	43	* matrix.org: [[https:~~/~~/app.element.io/#/register>>https://app.element.io/#/register]]
44	44	* or any other homeserver [[https:~~/~~/joinmatrix.org/servers/>>https://joinmatrix.org/servers/]]
45		-* or, [[host your own homeserver>>https://matrix-org.github.io/synapse/latest/]] 🤩
	41	+* or, host your own homeserver :)
46	46
47	47	To use your home server, you have to **use a client** that communicates with your homeserver.
48	48
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51	51	[[Element>>https://element.io/]] is our client of choice.
52	52
53	53	* [[Desktop Client>>https://element.io/download]] (easily provided in [[your Linux distribution of choice>>https://repology.org/project/element-desktop]])
54		-* In your web browser:
	50	+* as web client:
55	55	** [[matrix.cit.tum.de>>https://matrix.cit.tum.de]]
56	56	** [[matrix.tum.de>>https://matrix.tum.de]]
57		-* [[On your smartphone>>https://element.io/download]]
	53	+* [[on your smartphone>>https://element.io/download]]
58	58
59	59	(% class="wikigeneratedid" %)
60	60	Make sure the **home server is set correctly** to your provider!
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70	70	)))
71	71
72	72
73		-== Using Element for Matrix ==
	69	+== Basic Usage of Element ==
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75	75
76	76	Follow [[the official guide>>https://matrix.org/docs/chat_basics/]] how to chat with Element 😎
77	77
78		-You can create **personal chats**, **group chats**, and **spaces** for bundling multiple chatrooms to communicate with any other Matrix user in the world.
79	79
	75	+=== Invitation of TUM Users ===
80	80
81		-== Invitation of TUM Users ==
82		-
83	83	When inviting TUM or CIT users to a chat, just enter the following Matrix IDs:
84	84
85	85	**For CIT Accounts**:
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105	105
106	106	The invitation will then appear in the Matrix client of the just-added user and must be accepted.
107	107
108		-
109		-== Secure Backup ==
110		-
111		-Since end-to-end encryption stores decryption **keys only on clients** (the "end"), logging out of the last client would mean loosing all messages.
112		-
113		-Matrix allows to create a encrypted backup of the decryption keys on your homeserver - with a separate passphrase.
114		-
115		-Matrix will ask you to set up your secure backup, and will request the password for the backup keys if needed.
116		-
117		-More information is in the [[official documentation about private chats>>https://matrix.org/docs/chat_basics/private-group-chat/]] 🤓
	102	+